1 files changed, 3 insertions, 1 deletions

diff --git a/fs/btrfs/print-tree.h b/fs/btrfs/print-tree.h
index 9236abda2a74..0882ca904eca 100644
--- a/fs/btrfs/print-tree.h
+++ b/fs/btrfs/print-tree.h
@@ -1,3 +1,5 @@
-
+#ifndef __PRINT_TREE_
+#define __PRINT_TREE_
 void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l);
 void btrfs_print_tree(struct btrfs_root *root, struct btrfs_buffer *t);
+#endif